Strap assembly for footwear



FIG. 1 is a front perspective view of a boot showing my strap assembly for footwear design;

FIG. 2 is a left side view of the strap assembly shown in FIG. 1; and,

FIG. 3 is rear view of the strap assembly shown in FIG. 1.

The broken line showing of the sole, heel, portion of the front, and portion of the upper is for illustrative purposes only and forms not part of the claimed design. 

The ornamental design for a strap assembly for footwear, as shown and described. 